it begins tonight on "nbc nightly news" with lester and you can watch president obama's state of the union address tuesday night at 9:00 eastern, 6:00 pacific right here on nbc. >> up next, will the stars really cover up for the grammy's like they are being asked to do. that's right after this. ♪ she's not famous. ♪ she's never been on a red carpet. ♪ but she's the star of my life. [ female announcer ] kay jewelers presents a new collection from hollywood's premier jewelry designer neil lane designs. my designs are inspired by hollywood's glamorous past. hand-crafted diamond rings, earrings, and necklaces with a vintage look. at kay, the number-one jewelry store in america. for the star in your life. ♪ every kiss begins with kay >>> tonight on the grammy awards, the perform rs are warned not to show too much skin. >> it is undeniably the most head-scratching show. this year, the 55th annual grammys bring a whole new element of unpredictable. with no adele, beyonce, justin or rihanna set to sweep the awards, 2013 is the year of introductions. >> there are no stand-ups this yea